沪指跌破4000点

Group 1 - The Shanghai Composite Index closed at 3995.81, down by 67.17 points or 1.65% from the previous day [1] - The trading volume for the day reached 406.298 billion, with a turnover of 878.775 billion [1] - The index opened at 4028.54 and hit a high of 4042.02 during the trading session [1] Group 2 - The index has seen a decline of 3.30% over the past 20 days [1] - The current price-to-earnings ratio stands at 16.7, while the market-to-book ratio is at 1.52 [1] - The index has experienced a slight increase of 0.68% year-to-date [1]